Product Overview
The Yokogawa ALP121-S2 is a high-performance Serial Communication Input & Output Module designed for CENTUM VP and CS 3000 Distributed Control Systems (DCS). This module facilitates seamless data exchange between the Field Control Unit (FCU) and external serial devices like PLCs, flow computers, and power monitors. A 100% Brand New original product, manufactured in Japan, it provides the essential interface to integrate third-party subsystems into the core control network.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Yokogawa Electric Corporation |
| Model | ALP121-S2 |
| Function | Serial Communication (Input/Output) |
| Interface | RS-232C, RS-422, RS-485 (Software configurable) |
| Dimensions | 3.2 cm (W) x 12.7 cm (D) x 12.7 cm (H) |
| Weight | 0.3 kg |
| Condition | 100% Brand New Original |
Engineering Advantages
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Multi-Protocol Flexibility: Supports RS-232C, RS-422, and RS-485, allowing for versatile integration with various field hardware.
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Compact Design: At only 3.2 cm wide, it maximizes rack density and resolves space limitations in crowded control cabinets.
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Deterministic Data Processing: The internal processor handles serial protocol stacks separately from the main FCU, ensuring no disruption to real-time control logic.
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Enhanced Signal Isolation: Features high-level electrical isolation to protect the DCS backplane from industrial electrical noise and surges.
FAQs
Does the ALP121-S2 support redundant configurations?
Yes, you can install two ALP121-S2 modules in a duplexed configuration. If one module fails, the other takes over instantly, ensuring no data loss.
What is the maximum baud rate supported by this module?
The ALP121-S2 supports asynchronous communication speeds up to 115.2 kbps, depending on the protocol and cable length.
Is this a genuine Yokogawa part made in Japan?
Yes, this is a genuine Yokogawa part, 100% Brand New, and shipped in original factory-sealed packaging with full serial number traceability.
Can I use this module to connect to Modbus RTU devices?
Yes, when paired with appropriate Yokogawa communication software (such as the Modbus Communication Package), the ALP121-S2 works as a gateway for Modbus RTU integration.
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
| Q: What Payment Methods Do We Accept? |
| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
| Q: What Shipping Methods Do We Use? |
| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
| Q: How Do We Package the Goods? |
| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
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